Table 1.
Details of materials and buffers.
| Chemical and catalogue reference | Supplier |
|---|---|
| NaCl (SLBS2340V) | Sigma-Aldrich, St Louis, MO, USA |
| NaHCO3 (SLBX3605) | Sigma-Aldrich |
| NaH2PO4 (BCBW9042) | Sigma-Aldrich |
| KCl (SLBS5003) | Sigma-Aldrich |
| MgCl2 (BCBS6841V) | Sigma-Aldrich |
| CaCl2 (SLBK1794V) | Sigma-Aldrich |
| Glucose (SLBT4811V) | Sigma-Aldrich |
| HEPES (W1122DO10) | Sangon biological Shanghai, China |
| 2,3-butanedione monoxime (BDM) (29297) | Sigma-Aldrich |
| Blebbistatin (SLBV5564) | Tocris Bioscience Minneapolis, MN, USA |
| Voltage-sensitive dye RH237 (1971387) | Thermo Fisher Scientific, Waltham, MA, USA |
| Calcium indicator Rhod-2 AM (1890519) | Invitrogen, Carlsbad, CA, USA |
| Dimethyl sulfoxide (DMSO) (RNBT7442) | Sigma-Aldrich |
| Heparin Sodium (H51021209) | Chengdu Haitong Pharmaceutical Co. Ltd. Chengdu, China |
| Avertin (2,2,2-tribromoethanol) | Sigma-Aldrich Poole, Dorset, UK |
| Pluronic F127 (1899021) | Invitrogen, Carlsbad, CA, USA |